Home / 129,955.24-179,338.50-70,339.24

Finding the Fourth Proportional to 129,955.24, 179,338.50 and 70,339.24

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Solution

The fourth proportional to 129,955.24, 179,338.50 and 70,339.24 is: 97,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,955.24 : 179,338.50 = 70,339.24 : x
  2. Step 2: Convert to fraction form
    129,955.24/179,338.50 = 70,339.24/x
  3. Step 3: Cross multiply
    129,955.24x = 179,338.50 × 70,339.24
  4. Step 4: Simplify right side
    129,955.24x = 12,614,533,792.74
  5. Step 5: Solve for x
    x = 12,614,533,792.74/129,955.24
  6. Step 6: Final answer
    x = 97,068.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.